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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/base/win/window_impl.h" | 5 #include "ui/base/win/window_impl.h" |
6 | 6 |
7 #include <list> | 7 #include <list> |
8 | 8 |
9 #include "base/memory/singleton.h" | 9 #include "base/memory/singleton.h" |
10 #include "base/string_number_conversions.h" | 10 #include "base/string_number_conversions.h" |
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22 // WindowImpl class tracking. | 22 // WindowImpl class tracking. |
23 | 23 |
24 // Several external scripts rely explicitly on this base class name for | 24 // Several external scripts rely explicitly on this base class name for |
25 // acquiring the window handle and will break if this is modified! | 25 // acquiring the window handle and will break if this is modified! |
26 // static | 26 // static |
27 const wchar_t* const WindowImpl::kBaseClassName = L"Chrome_WidgetWin_"; | 27 const wchar_t* const WindowImpl::kBaseClassName = L"Chrome_WidgetWin_"; |
28 | 28 |
29 // WindowImpl class information used for registering unique windows. | 29 // WindowImpl class information used for registering unique windows. |
30 struct ClassInfo { | 30 struct ClassInfo { |
31 UINT style; | 31 UINT style; |
32 HBRUSH background; | 32 HICON icon; |
33 | 33 |
34 explicit ClassInfo(int style) | 34 ClassInfo(int style, HICON icon) |
35 : style(style), | 35 : style(style), |
36 background(NULL) {} | 36 icon(icon) {} |
37 | 37 |
38 // Compares two ClassInfos. Returns true if all members match. | 38 // Compares two ClassInfos. Returns true if all members match. |
39 bool Equals(const ClassInfo& other) const { | 39 bool Equals(const ClassInfo& other) const { |
40 return (other.style == style && other.background == background); | 40 return (other.style == style && other.icon == icon); |
41 } | 41 } |
42 }; | 42 }; |
43 | 43 |
44 class ClassRegistrar { | 44 class ClassRegistrar { |
45 public: | 45 public: |
46 static ClassRegistrar* GetInstance() { | 46 static ClassRegistrar* GetInstance() { |
47 return Singleton<ClassRegistrar>::get(); | 47 return Singleton<ClassRegistrar>::get(); |
48 } | 48 } |
49 | 49 |
50 ~ClassRegistrar() { | 50 ~ClassRegistrar() { |
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190 | 190 |
191 WindowImpl* window = reinterpret_cast<WindowImpl*>( | 191 WindowImpl* window = reinterpret_cast<WindowImpl*>( |
192 ui::GetWindowUserData(hwnd)); | 192 ui::GetWindowUserData(hwnd)); |
193 if (!window) | 193 if (!window) |
194 return 0; | 194 return 0; |
195 | 195 |
196 return window->OnWndProc(message, w_param, l_param); | 196 return window->OnWndProc(message, w_param, l_param); |
197 } | 197 } |
198 | 198 |
199 std::wstring WindowImpl::GetWindowClassName() { | 199 std::wstring WindowImpl::GetWindowClassName() { |
200 ClassInfo class_info(initial_class_style()); | 200 HICON icon = GetDefaultWindowIcon(); |
| 201 ClassInfo class_info(initial_class_style(), icon); |
201 std::wstring name; | 202 std::wstring name; |
202 if (ClassRegistrar::GetInstance()->RetrieveClassName(class_info, &name)) | 203 if (ClassRegistrar::GetInstance()->RetrieveClassName(class_info, &name)) |
203 return name; | 204 return name; |
204 | 205 |
205 HICON icon = GetDefaultWindowIcon(); | |
206 | |
207 // No class found, need to register one. | 206 // No class found, need to register one. |
| 207 HBRUSH background = NULL; |
208 WNDCLASSEX class_ex = { | 208 WNDCLASSEX class_ex = { |
209 sizeof(WNDCLASSEX), | 209 sizeof(WNDCLASSEX), |
210 class_info.style, | 210 class_info.style, |
211 base::win::WrappedWindowProc<&WindowImpl::WndProc>, | 211 base::win::WrappedWindowProc<&WindowImpl::WndProc>, |
212 0, | 212 0, |
213 0, | 213 0, |
214 NULL, | 214 NULL, |
215 icon, | 215 icon, |
216 NULL, | 216 NULL, |
217 reinterpret_cast<HBRUSH>(class_info.background + 1), | 217 reinterpret_cast<HBRUSH>(background + 1), |
218 NULL, | 218 NULL, |
219 name.c_str(), | 219 name.c_str(), |
220 icon | 220 icon |
221 }; | 221 }; |
222 ATOM atom = RegisterClassEx(&class_ex); | 222 ATOM atom = RegisterClassEx(&class_ex); |
223 CHECK(atom) << GetLastError(); | 223 CHECK(atom) << GetLastError(); |
224 | 224 |
225 ClassRegistrar::GetInstance()->RegisterClass(class_info, name, atom); | 225 ClassRegistrar::GetInstance()->RegisterClass(class_info, name, atom); |
226 | 226 |
227 return name; | 227 return name; |
228 } | 228 } |
229 | 229 |
230 } // namespace ui | 230 } // namespace ui |
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